Get the monthly weather forecast for Newport Beach, CA, including daily high/low, historical averages, to help you plan ahead.

In Newport Beach during August average daily high temperatures are level around 78°F and it is overcast or mostly cloudy about 10% of the time.

August weather averages for Newport Beach, USA. Temperature, High temperature, Low temperature, Precipitation, Daily sun hours, Sea temperature.

The weather in Newport Beach in August is pleasantly warm and humid but cool, with average highs of 80°F (27°C) and lows of 66°F (19°C).

Get the monthly weather forecast for Newport, CA, including daily high/low, historical averages, to help you plan ahead.

In Newport Beach, the summers are short, warm, arid, and clear and the winters are long, cool, and partly cloudy. Over the course of the year, the temperature ...

Summer months (June through August): This is another great time to visit Newport Beach if you're looking for a warm-weather getaway. The temperature exceeds ...

August weather averages for Newport Beach, CA, USA, USA. .

How hot is it in Newport Beach in August? Daytime temperatures usually reach 24°C in Newport Beach in August, falling to 17°C at night.

Partly cloudy. Low 49F. Winds light and variable. Record Low38°.